tangental knife

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tangental knife

Postby Battwell » Tue Jan 23, 2018 11:52 am

does uccnc support tangental knife?
if so in arcs?
had a query from uk potential customer
Uc300eth on router and mill.
UK uccnc powered machine sales. https://cncrouter.uk/atc-cnc-routers.htm
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Re: tangental knife

Postby dezsoe » Tue Jan 23, 2018 12:05 pm

IMHO, it depend on only the CAM postprocessor. You may assign it to a free axis (e.g. A). It can use the Z axis to go up and down, or if it has a solenoid to push down (or lift up) the blade, it can be driven by the laser output pin. (No PWM, just M10/M11.) It's only my private opinion: in fact, I don't know if the control software has to turn the blade or the CAM will do it.
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Re: tangental knife

Postby cncdrive » Tue Jan 23, 2018 12:47 pm

It does not support automatic tangential knife control like in Mach3 if the question was about that.
However the tangential knife control in Mach3 is pretty buggy, so I think it is still much better if you get a post processor in a CAM software which supports tangential knife control and then output the code like that.
I mean that the CAM software could put the knife control as e.g. 4th axis.
I think SheetCAM for example has a tangential knife module....
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Re: tangental knife

Postby Battwell » Tue Jan 23, 2018 12:50 pm

thanks for the explanation
when is the analogue servo capable board going to be ready for me to test :-)
Uc300eth on router and mill.
UK uccnc powered machine sales. https://cncrouter.uk/atc-cnc-routers.htm
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